From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Status of cylinder liners and total engine running time.
| Identifier | ExFiles\Box 36\2\ scan 203 | |
| Date | 4th March 1929 guessed | |
| contd :- -3- taken. Big end bearings caps are O.K. CYLINDER LINERS. Running time 272/273 hrs. Liners are O.K. No internal water leaks. TOTAL RUNNING TIME OF ENGINE 326 HRS. Ha/V.Halliwell. | ||